(19)

(11)

EP 2 614 403 A1

(12)

(43) Date of publication: 17.07.2013 Bulletin 2013/29 (21) Application number: 11823708.0 (22) Date of filing: 02.05.2011

(51) International Patent Classification (IPC):  G02F 1/13357(2006.01) F21V 8/00(2006.01) G02B 6/00(2006.01) (86) International application number: PCT/KR2011/003275 (87) International publication number: WO 2012/033275 (15.03.2012 Gazette 2012/11)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 09.09.2010 KR 20100088305 (71) Applicant: LG Innotek Co., Ltd. Seoul 100-714 (KR)	(72) Inventors: LEE, Dong Hyun Seoul 100-714 (KR) SEONG, Dong Mug Seoul 100-714 (KR) HONG, Beom Sun Seoul 100-714 (KR) EOM, Jun Phill Seoul 100-714 (KR) (74) Representative: Novagraaf Technologies  122 rue Edouard Vaillant 92593 Levallois-Perret Cedex 92593 Levallois-Perret Cedex (FR)